bruh wtf is this PDF

Preview

Summary

fake...

Description

Michael Lee PHYS 6CL Lab Math Assignment 1. length Transmitted (cm) Light 0.99 0.7431 1.99 0.4461 3 0.3257 3.93 0.2416 5.08 0.1777 6 0.1219 6.93 0.0854 7.91 0.0668 9.1 0.0434 10.14 0.0291

length vs. Transmitted Light 0.8

Transmitted Light

0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 0

2

4

6

length (cm)

2. 𝑇 = 𝑒 − ln(10)∈𝑙𝑐 ln(𝑇) = ln(𝑒 − ln(10)∈𝑙𝑐 ) ln(T) = −∈ 𝑙𝑐 ln(10) − ln(𝑇) =∈ 𝑙𝑐 ln(10) 𝑓(𝑇) = 𝑚𝑙 + 𝑏 =∈ 𝑐 ln(10) 𝑙 𝑓(𝑇) = −𝑙𝑛𝑇 𝑚 = ∈ 𝑐 ln(10) 𝐴 = ln(10) ∈ 𝑙𝑐 3.

8

10

12

Length (cm) Absorbance 0.99 0.2969 1.99 0.8072 3 1.1218 3.93 1.4205 5.08 1.7277 6 2.1046 6.93 2.4604 7.91 2.7061 9.1 3.1373 10.4 3.537

length (cm) vs. absorbance 4 3.5

y = 0.3365x + 0.0699 R² = 0.9973

absorbance

3 2.5 2 1.5 1 0.5 0

0

2

4

6

8

length (cm)

The slope of the line 0.3365 and the intercept is 0.0699 The intercept should be 0 due to Beer’s Law.

4. The molar attenuation coefficient is 35196.6 (L/mol cm) 𝑐 = 5.8𝑥10−6 𝑚𝑜𝑙/𝐿 𝐴 = ln(10) 𝑐 𝑙 𝐴 = .3365 𝑙 0.3365 = 25196.6 ln(10)(5.8𝑥10−6 ) 5. The concentration of August’s solution is 2.59𝑥10−5 mol/L 𝐿 )(1𝑐𝑚)(𝑐) ln(0.2214) = − ln(10) (25196. .6 𝑚𝑜𝑙𝑐𝑚 𝑐 = 2.59𝑥10−5 mol/L

10

12...